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Finding the Third Proportional to 13,883 and 21,347

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Solution

The third proportional to 13,883 and 21,347 is: 32,823.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883 : 21,347 = 21,347 : x
  2. Step 2: Convert to fraction form
    13,883/21,347 = 21,347/x
  3. Step 3: Cross multiply
    13,883x = 21,347 × 21,347
  4. Step 4: Simplify right side
    13,883x = 455,694,409
  5. Step 5: Solve for x
    x = 455,694,409/13,883
  6. Step 6: Final answer
    x = 32,823.91

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.